F15B 2211/3052
Shuttle valves
F15B2211/3052 (Shuttle valves) appears on 127 US grants and 109 published applications in this corpus.
Search patents in F15B- Granted patents
- 127
- Published applications
- 109
- Assignees
- 96
- Inventors
- 280
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 5 |
| 2004 | 4 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 6 |
| 2007 | 3 | 3 |
| 2008 | 1 | 1 |
| 2009 | 3 | 2 |
| 2010 | 2 | 0 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 3 | 2 |
| 2015 | 4 | 4 |
| 2016 | 3 | 6 |
| 2017 | 4 | 7 |
| 2018 | 8 | 6 |
| 2019 | 12 | 8 |
| 2020 | 7 | 5 |
| 2021 | 2 | 14 |
| 2022 | 11 | 7 |
| 2023 | 8 | 5 |
| 2024 | 5 | 7 |
| 2025 | 2 | 4 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Robotic crawler platform systems and methods7 Jul 2026US 12,673,542 B2
- Hydraulic system for work machine, work machine, and method for controlling hydraulic system28 Apr 2026US 12,612,757 B2Komatsu Ltd.
- Manifold system for 2003 configuration17 Feb 2026US 12,553,454 B2Rotex Automation Limited
- Hydraulic circuit13 Jan 2026US 12,523,219 B2Thomas Magnete GmbH
- Method for controlling working machine and working machine6 Jan 2026US 12,516,503 B2Yanmar Holdings Co., Ltd.
- Integrated Electrohydraulic Actuator30 Jul 2026US 2026/0218734 A1Parker-Hannifin Corporation
- Hydraulic System having an Inertia Charging Arrangement25 Jun 2026US 2026/0177086 A1Robert Bosch GmbH
- Aircraft system30 Oct 2025US 2025/0333035 A1Airbus Operations GmbH
- Method for controlling working machine and working machine8 May 2025US 2025/0146256 A1Yanmar Holdings Co., Ltd.
- Apparatus and method for recirculating hydraulic fluid1 May 2025US 2025/0137474 A1HPDI Technology Limited Partnership
Most cited
By later US patents
- Hydraulic circuit for synchronized horizontal extension of cylinders86US 7,926,410 B2JR Automation Technologies, LLC · 2011
- Regenerative adaptive fluid motor control77US 6,349,543 B12002
- Pneumatic-hydraulic actuator system74US 4,335,867 A1982
- Regenerative adaptive fluid control29US 5,794,439 A1998
- Fluid-actuated clamping apparatus and circuit28US 3,990,594 ACascade Corporation · 1976